Home / 112,395.06-154,944.29-69,345.79

Finding the Fourth Proportional to 112,395.06, 154,944.29 and 69,345.79

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Solution

The fourth proportional to 112,395.06, 154,944.29 and 69,345.79 is: 95,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,395.06 : 154,944.29 = 69,345.79 : x
  2. Step 2: Convert to fraction form
    112,395.06/154,944.29 = 69,345.79/x
  3. Step 3: Cross multiply
    112,395.06x = 154,944.29 × 69,345.79
  4. Step 4: Simplify right side
    112,395.06x = 10,744,733,982.04
  5. Step 5: Solve for x
    x = 10,744,733,982.04/112,395.06
  6. Step 6: Final answer
    x = 95,597.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.